Question : Directions: Select the option that is related to the second number in the same way as the third number is related to the fourth number and the fifth number is related to the sixth number.
? : 225 :: 9 : 169 :: 12 : 256
Option 1: 13
Option 2: 11
Option 3: 16
Option 4: 15
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Correct Answer: 11
Solution :
Given:
? : 225 :: 9 : 169 :: 12 : 256
The pattern is –
Like, 9 : 169→9 + 4 = 13; 13² = 169
And, 12 : 256→12 + 4 = 16; 16² = 256
Similarly, ? : 225→225 is a square of 15
So, ? + 4 = 15; ? = 15 – 4 = 11
Therefore, the required number is 11. Hence, the second option is correct.
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